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Solar Storage Tank Questions - Page 3

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Posted by linux konqueror in progress on September 18, 2008, 1:59 pm
 

SS tank source?
Liquids used in the system?
What is the exchanger dimensions?

Posted by amdx on September 18, 2008, 5:56 pm
 


scrapyard.http://i395.photobucket.com/albums/pp37/Qmavam/HeatExchangerCoilReduc ...

 Local Metal Scrapyard, 20 inch O.D. appox. 60 inches tall


 I don't know yet.


16 inches in diameter and about the same in height. 135ft of 0.85 inch tube
with .032 inch wall.

 What are your thoughts?
              Mike

 



Posted by linux konqueror in progress on September 19, 2008, 3:11 pm
 
-the double coil is great idea
-the tank sounds like perfect fit.just make sure you insulate it very
well as the heat will transfer to the walls quick making your tank to
function as heat sink(with  inch on each side from the coil) and
spread the heat farther through the liquid .
what ever you do measure twice drill and cut ones! - you do not want
to mess up this nice "fit"you got so far.
I woul install the tank vertically,placed the coil  closer to the top.
Then input from solar panes on top and output back to the panels on
botom.

I would take copper wire,cut  and solder cut peeces in the inside
looking like  inverted spikes to create more surface but I think you'l
be fine with out it.More surface=MORE EFFICIENT.
 and your water to use through the coil and input to inside coil out
thorough the outside coil.

Just  my idea.

Where do you live that you have access to such goodies?

Posted by amdx on September 19, 2008, 5:17 pm
 

scrapyard.http://i395.photobucket.com/albums/pp37/Qmavam/HeatExchangerCoilReduc ...

-the double coil is great idea
-the tank sounds like perfect fit.just make sure you insulate it very
well as the heat will transfer to the walls quick making your tank to
function as heat sink(with  inch on each side from the coil) and
spread the heat farther through the liquid .
what ever you do measure twice drill and cut ones! - you do not want
to mess up this nice "fit"you got so far.
I woul install the tank vertically,placed the coil  closer to the top.
Then input from solar panes on top and output back to the panels on
botom.

I would take copper wire,cut  and solder cut peeces in the inside
looking like  inverted spikes to create more surface but I think you'l
be fine with out it.More surface=MORE EFFICIENT.
 and your water to use through the coil and input to inside coil out
thorough the outside coil.

Just  my idea.

Where do you live that you have access to such goodies?

Yea it's going to be a job to get that coil in my tank. I'll need to cut off
the bottom
 and install the coil then have it welded back together. I hope I have
learned to weld SS
 by that time!
 I live in Panama City Fl. You might take a walk through your local metal
recycling
yard, some amazing stuff gets thrown away. I picked up about $000.00 worth
of
IGBTs (fancy high power transistors) for $0.00 and a 1.5 hp DC motor for
$.
 I wish I saw a design for collectors using air conditioning coils, there
seems to be tons of those thrown away, even large commercial units.
                                  Mike
                                          Mike



Posted by linux konqueror in progress on September 20, 2008, 1:28 pm
 
SS is tricky to weld.
but with Mig+shealded gas,ss wire is no problem,use clean brush just
for SS to clean of the cut.
Firts tack ist then weld.You may have to weld 4" at the time,then weld
on oposite side to space the heat out.


When you cut it mark it so you can position the peaces exact same way
back together,if you can expand one part to fit over the other that
would make it easier to weld.

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